Metafields Settings
Metafields helps you to customize the functionality and appearance of your Shopify store by letting you save specialized information that isn't usually captured in the Shopify admin. You can use metafields for internal tracking, or to display specialized information on your online store in a variety of ways
If you want to learn more about Metafield, please read more here
Step 1: Create a Metafield definition
From your Shopify admin, go to Settings > Custom data.
Below the metadata field, click the item where you want to add a Metafield.
Click Add definition
Name your metadata field definition
Choose the type that matches the content you want to use
Click Save button
Step 2: Add values to Metafields
From your Shopify admin, go to Products, Collection, Blog, Page, …
Click on a product for which you want to add the Metafield
Scroll down and click on Metafields. Enter text for that item.
Click Save button
Step 3: Publishing your Metafield to your online store
From your Shopify admin, go to Online Store > Themes.
Find the theme you want to edit, and then click Customize
Use the drop-down menu at the top of your screen to select Products > Default product. This loads the default product template in the theme editor.
In the Product information section, click Add block > Collapsible row.
Enter a heading.
Optional: Choose an Icon from the list or click the None for no icon.
Next to the row content, click the Connect dynamic source icon
Click Save to publish your product.